Unless it's not coming from post nasal drip, you shouldn't have blood in your saliva. I would see your doctor.
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A pillow
A Pillow!
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The answer to the riddle "What loses its head in the morning and gets it back at night" is a pillow. In the morning, when you wake up, your head is no longer resting on the pillow, effectively making it "headless." At night, when you go to bed, you place your head back on the pillow, restoring its "head."
The answer to the riddle is a pillow. In the morning, when you get up, your head leaves the pillow, so it "loses its head." At night, when you go to bed, your head comes back to the pillow, so it "gets its head back."
The answer to the riddle is a pillow. In the morning, when you wake up, you remove your head from the pillow, effectively causing it to "lose its head." At night, when you go to bed again, your head returns to the pillow, giving it its "head" back.
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In the morning. Sleeping on the pillow may mat down the hair.
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a pillow!